Subsets and Power Set

In interval notation$(a,b)=x|a<x<b,(a,b)$represents

If $\mathrm{A}=\{1, 2, 3, 4, 5, 6, 7\}$, then the number of proper subsets of $\mathrm{A}$ is

What is superset?

Two finite sets $A$ and $B$ have $m$ and $n$ elements respectively. If the total number of subsets of $A$ is $112$ more than the total number of subsets of $B$, then the value of $m$ is

Find the length of interval $\left(2,14\right)$.

Find the length of interval $\left(5,16\right)$.

Find the length of interval $\left(3,21\right)$.

Write a superset of the following set.

$A=\left\{7,8\right\}$

Write a superset of the following set.

$A=\left\{6,7,8\right\}$

Write a superset of the following set.

$A=\left\{2,3\right\}$

Write a superset of the following set.

$A=\left\{2,3,4\right\}$

Write a superset of the following set.

$A=\left\{2,3,4,5\right\}$

Match the List $\mathrm{I}$ and List $\mathrm{II}$ and select the correct answer using code:

Find the number of subsets for the set given below.

$M=\left\{x\in Z, {100}^{\left(x^2-x-2\right)}=1\right\}$

If $A$ and $B$ be two finite sets such that the total number of subsets of $A$ is $960$ more than the total number of subsets of $B,$ then $n\left(A\right)-n\left(B\right)$ (where $n\left(X\right)$ denotes the number of elements in set $X$) is equal to

If $A=${$x|x$ is a prime number, $0\le x\le 9$}, then the number of elements of power set of $A$ is

If $A=\left\{x,y,z\right\}, B=\left\{1,2\right\}$, then the total number of relations from set $A$ to set $B$ are

The length of an interval $(-18,-24]$ is 

The length of an interval $\left(14,18\right)$ is 

Which of the following is the power set of $A=\left\{1,2,3\right\}$